>> whole other section of the grocery store to this technology that we think is still not fully understood. >>reporter: there noise proven link between genetically altered food and health problems but critic skeptical but about the study and complain government scientist have in the done enough independent work and ignore the unknown. they worry spwru no proof this new fish will increase allergy. theorize alter who are men system could should cause cancer. fda review of company data found the concerns unfounded. >> pan has been altering the nature of animals since man walked up writ and began domestic animal. >>reporter: in the pipe lane for fda approval that is very different and same as america faith fish dinner. fda won't say when it will give final approval. the company says it could good out of business before it does. jim avila, abc news washington. >> well it is not often you hear about people in their 20's suffering a stroke but that is what happened to the star of the old show melt on in the middle. actor frank nunez tweet dad that he was hospitalized last we can after suffering a